WO2022217980A1 - Battery cell module and electric automobile - Google Patents

Battery cell module and electric automobile Download PDF

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Publication number
WO2022217980A1
WO2022217980A1 PCT/CN2021/143885 CN2021143885W WO2022217980A1 WO 2022217980 A1 WO2022217980 A1 WO 2022217980A1 CN 2021143885 W CN2021143885 W CN 2021143885W WO 2022217980 A1 WO2022217980 A1 WO 2022217980A1
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WO
WIPO (PCT)
Prior art keywords
circulation space
cooling chamber
space
cooling
box body
Prior art date
Application number
PCT/CN2021/143885
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French (fr)
Chinese (zh)
Inventor
陈斌斌
席兵荣
程志刚
花黄伟
王明旺
王华文
Original Assignee
欣旺达电动汽车电池有限公司
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Application filed by 欣旺达电动汽车电池有限公司 filed Critical 欣旺达电动汽车电池有限公司
Publication of WO2022217980A1 publication Critical patent/WO2022217980A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of cell cooling, and in particular, to a cell module and an electric vehicle.
  • Existing cell modules usually include components such as cells and cooling devices.
  • the cooling medium usually directly contacts the cells or various electrical components through the cooling device. , so that condensation will occur inside the cell module, which will lead to insulation failure of the cell module.
  • the present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a cell module capable of avoiding insulation failure of the cell module.
  • the present application also proposes an electric vehicle having the above-mentioned battery cell module.
  • the battery cell module includes a plurality of square cells; a box body, the box body defines a main cooling chamber, and the box body is further provided with a communication
  • the cooling medium inlet and cooling medium outlet of the main cooling chamber the box body is provided with at least one first mounting surface on one surface, a plurality of the square cells are arranged on the first mounting surface, and a plurality of the
  • the bottom surface of the square electric core is in contact with the first installation surface, and a second installation surface is also provided on both sides of the first installation surface along the arrangement direction of the plurality of square electric cores;
  • the side box is provided with a second installation surface.
  • On the second mounting surface the surface of each side box facing the side of the first mounting surface is in contact with the side surface of the square cell, and each side box defines a side cooling chamber,
  • the side cooling chamber is in bidirectional communication with the main cooling chamber.
  • the cooling medium can enter the side cooling chamber through the main cooling chamber, return to the main cooling chamber from the side cooling chamber, and finally leave the box through the cooling medium outlet. Since the bottom surface of the square cell is in contact with the first mounting surface, and the two sides are in contact with the surface of the side case, when the cooling medium flows in the main cooling chamber and the side cooling chamber, the bottom surface and the two sides of the square cell are in contact with each other. Part of the heat can be conducted into the cooling medium and taken out of the box by the cooling medium.
  • the cooling medium is always located in the main cooling chamber and the side cooling chamber when flowing in the cell module, without contacting Therefore, it can achieve the effect of completing the heat dissipation of the battery core and avoiding the insulation failure of the battery core without contacting the cooling medium.
  • the cell module includes a first partition plate provided with a cooling medium inlet, and along the thickness direction of the box, the first partition plate separates the main cooling cavity
  • the chamber is divided into a first circulation space and a second circulation space, the first circulation space is located at the bottom of the first installation surface, the cooling medium inlet communicates with the first circulation space and the external environment, and the first circulation space is
  • the plate and the inner wall of the box body jointly define a first circulation port, the first circulation port is located at one end of the box body, the cooling medium inlet is located at the other end of the box body, and the first circulation port is located at the other end of the box body. The port communicates with the first circulation space and the second circulation space.
  • the cell module further includes a guide row, the guide row is disposed in the main cooling chamber and the side cooling chamber, and connects the main cooling chamber
  • the chamber is equally spaced into a plurality of main cooling channels
  • the side cooling chambers are equally spaced into a plurality of side cooling channels.
  • the box body includes a limit protrusion and a bottom plate, the limit protrusion protrudes from the bottom plate, and along the width direction of the box body, the limit protrusion The length is equal to the length of the square cell, the first mounting surface is disposed on the surface of the limiting protrusion, and the side case is pressed against the limiting protrusion.
  • the cell module further includes an enclosing frame, and the inner wall of the enclosing frame is connected to the side surface of the box body to define a second accommodating space together with the box body.
  • the side box is accommodated in the second accommodating space, and the enclosing frame is provided with a third accommodating space, a first through hole and a second through hole, and the first through hole communicates with the third accommodating space and the external environment , the second through hole and the cooling medium outlet at least partially overlap.
  • the cell module further includes a plurality of second partitions, and the plurality of second partitions divide the second circulation space along the width direction of the box into A third circulation space and a fourth circulation space, the fourth circulation space communicates with the side cooling chamber and is located at the bottom of the second installation surface, and the second partition and the inner wall of the box form a second A circulation port, the second circulation port is located at one end of the box body, and the first circulation port is located at the other end of the box body.
  • the cell module includes at least three side boxes, and two adjacent side cooling chambers are commonly communicated with the same fourth circulation space.
  • the cell module further includes a third partition, and the third partition divides the fourth circulation space into a fifth partition along the length direction of the box body A circulation space and a sixth circulation space, the sixth circulation space is located on the side where the cooling medium outlet is located, the side box is provided with a first transfer port and a second transfer port, and the first transfer port communicates with the The fifth circulation space and the side cooling chamber, the second transfer port communicates with the sixth circulation space and the side cooling chamber, and the cooling medium outlet communicates with the sixth circulation space.
  • one end of the second partition plate extends toward the first circulation space to form a fourth partition plate, and along the width direction of the box, the fourth partition plate separates the first partition plate
  • a circulation space is divided into a cooling space and a circulation space, the cooling space is located at the bottom of the first installation surface, the circulation space is located at the bottom of the second installation surface, and the first circulation port communicates with the cooling space and the second circulation space.
  • the electric vehicle includes the battery cell module as described in the embodiment of the first aspect.
  • the cooling medium can enter the side cooling chamber through the main cooling chamber, and then pass through the side cooling chamber.
  • the side cooling chamber returns to the main cooling chamber and finally leaves the tank via the cooling medium outlet. Since the bottom surface of the square cell is in contact with the first mounting surface, and the two sides are in contact with the surface of the side case, when the cooling medium flows in the main cooling chamber and the side cooling chamber, the bottom surface and the two sides of the square cell are in contact with each other. Part of the heat can be conducted into the cooling medium and taken out of the box by the cooling medium.
  • the cooling medium is always located in the main cooling chamber and the side cooling chamber when flowing in the cell module, without contacting Therefore, it is possible to achieve the effect of completing the heat dissipation of the battery core and avoiding the insulation failure of the battery core without contacting the cooling medium.
  • FIG. 1 is a schematic structural diagram of a cell module according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a cell module according to another embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a cell module according to another embodiment of the present application.
  • FIG. 4 is a partial cross-sectional view of a box of a cell module according to an embodiment of the present application.
  • FIG. 5 is a partial cross-sectional view of a side box of a cell module according to an embodiment of the present application.
  • FIG. 6 is a partial cross-sectional view of a box body of a cell module according to another embodiment of the present application.
  • FIG. 7 is a partial cross-sectional view of a box of a cell module according to another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a cell module according to another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a battery module according to another embodiment of the present application.
  • Square cell 10 Square cell 10 , first accommodating space 20 , second accommodating space 30 , third accommodating space 40 , cooling space 50 , circulation space 60 , cooling medium discharge mechanism 70 , cooling medium inflow mechanism 80 ;
  • Box 100 limiting protrusion 101, bottom plate 102, cooling medium outlet 110, cooling medium inlet 120, third through hole 130, fourth through hole 140, first circulation space 151, second circulation space 152, third circulation space 153 , fourth circulation space 154 , fifth circulation space 155 , sixth circulation space 156 , first circulation port 161 , second circulation port 162 , first partition plate 171 , second partition plate 172 , third partition plate 173 , the fourth partition 174, the main cooling chamber 180, the guide row 190, the first installation surface 191, the second installation surface 192, the main cooling channel 193, the side box 200, the first transfer port 210, the second transfer port 220 , a side cooling chamber 230 , a side cooling channel 231 , a surrounding frame 300 , a first through hole 310 , and a second through hole 320 .
  • the thickness direction of the box body 100 in the present application is the up-down direction in FIG. 1
  • the longitudinal direction is the front-rear direction in FIG. 1
  • the width direction is the left-right direction in FIG. 1 .
  • the cell module includes: a plurality of square cells 10 , a box body 100 and a side box 200 , the box body 100 defines a main cooling chamber 180 , and the box body 100 also A cooling medium inlet 120 and a cooling medium outlet 110 that communicate with the main cooling chamber 180 are provided.
  • the box 100 is provided with at least one first mounting surface 191 on one surface, and a plurality of square cells 10 are arranged on the first mounting surface 191.
  • the bottom surfaces of the plurality of square cells 10 are in contact with the first mounting surface 191 , and second mounting surfaces 192 are further provided on both sides of the first mounting surface 191 along the arrangement direction of the plurality of square cells 10 .
  • the side boxes 200 are disposed on the second mounting surface, and the surface of each side box 200 facing the side of the first mounting surface 191 is in contact and connected with the side surface of the square cell 10 , and each side box 200 defines a side cooling chamber 230 .
  • the cooling chamber 30 is in bidirectional communication with the main cooling chamber 180 .
  • the box body 100 and the side box 200 are both plate-shaped structures, a plurality of square cells 10 are arranged on the first mounting surface 191 of the box body 100 along the front-rear direction, and the square cells 10
  • the bottom surface is attached to the first installation surface 191 of the box body 100 .
  • the second installation surface 192 is disposed on the left and right sides of the first installation surface 191
  • the bottom surface of the side case 200 is attached to the second installation surface 192
  • the left and right sides of the square cell 10 are attached to the side case 200 . side.
  • the bottom of the box body 100 is provided with a cooling medium inlet 120 , and the cooling medium can enter the main cooling chamber 180 from the cooling medium inlet 120 .
  • the upper surface of the box body 100 is further provided with a plurality of third through holes 130 and fourth through holes 140 , and the second transfer port 220 is located on the box body 100 near the cooling One end of the medium outlet 110 .
  • the third through hole 130 at least partially coincides with the first transfer port 210
  • the fourth through hole 140 at least partially coincides with the second transfer port 220 , so that the cooling medium can
  • the main cooling chamber 180 enters the side cooling chamber 230 through the third through hole 130, and then returns to the main cooling chamber 180 from the back to the front through the fourth through hole 140 in the side cooling chamber 230 to realize bidirectional communicate and eventually exit the main cooling chamber 180 from the cooling medium outlet 110 .
  • the battery core module in this embodiment can realize the heat dissipation of the square battery core 10 and avoid the Insulation failure due to condensation on the square cell 10 .
  • the cell module includes a first partition 171 provided with a cooling medium inlet 120 .
  • the first partition 171 divides the main cooling chamber 180 into a second partition.
  • a circulation space 151 and a second circulation space 152 , and the second circulation space 152 is located under the cold mounting surface 191 of the cell.
  • the first circulation space 151 is located on the upper layer of the box body 100
  • the second circulation space 152 is located on the lower layer of the box body 100 .
  • the cooling medium inlet 120 communicates with the first circulation space 151 and the external environment.
  • the first partition 171 and the inner wall of the box body 100 jointly define a first flow port 161 , the first flow port 161 is located at the front end of the box body 100 , the cooling medium inlet 120 is located at the rear end of the box body 100 , and the first flow port 161
  • the first circulation space 151 and the second circulation space 152 are communicated. Therefore, when the cooling medium enters the box 100 from the outside, it can fill the first circulation space 151 first, and then enter the second circulation space 152 through the first circulation port 161 from the bottom to the top. 171 is in contact with the inner wall of the box 100.
  • the overall flow direction of the cooling medium when entering the second circulation space 152 from the first circulation space 151 is roughly the same. , so that all parts of the square cell 10 can maintain consistent cooling efficiency, thereby ensuring the uniformity of temperature when the square cell 10 is cooled.
  • the cell module further includes a guide row 190 , and the guide row 190 is disposed in the main cooling chamber 180 and the side cooling chamber 230 , and divides the main cooling chamber 180 into a plurality of main cooling chambers equidistantly.
  • the cooling channel 193 is equally spaced and the side cooling chamber 230 is divided into a plurality of side cooling channels 231 .
  • the guide row 190 divides the main cooling chamber 180 into a plurality of main cooling channels 193 , whereby the cooling medium can be uniformly circulated in the main cooling chamber 180 , and the side boxes 200 are also provided There are diversion rows 190, so that the side cooling chamber 230 is divided into a plurality of side cooling channels 231 at equal intervals, so that the flow velocity of the cooling medium in the side box 200 is equal, thereby avoiding the cooling medium in the main cooling chamber.
  • the flow velocity is not uniform at various places, resulting in inconsistent cooling effects at the bottom or side of each square cell 10 , so as to further improve the temperature uniformity of the square cell 10 .
  • the distance between the side cases 200 forming the first accommodating space 20 generally needs to be equal to the left-right direction of the square cell 10 . length.
  • the side case 200 needs to be connected to the case body 100 first. Therefore, in order to prevent the distance between the side boxes 200 from being larger or smaller than the length of the square cell 10 in the left-right direction, referring to FIG. 2 and FIG.
  • the box body 100 in this embodiment includes a limiting protrusion 101 and a bottom plate 102 , the limiting protrusion 101 protrudes from the bottom plate 102 , the first mounting surface 191 is disposed on the upper surface of the limiting protrusion 101 , and the second mounting surface 192 is disposed on the upper surface of the bottom plate 102 .
  • the length of the limiting protrusion 101 is equal to the length of the square cell 10 along the width direction of the box body 100 , after the side box 200 is pressed against the limiting protrusion 101 , the length of the first accommodating space 20 in the left-right direction It is equal to the length of the square cell 10 , so the square cell 10 can be directly inserted into the first accommodating space 20 , and there is no need to manually adjust the position between the side box 200 and the square cell 10 , thereby improving the installation efficiency of the cell module.
  • the cell module in this embodiment further includes an enclosing frame 300 , and the inner wall of the enclosing frame 300 is connected to the side of the box body 100 to wrap the box body 100 , and together with the box body 100 define a second Accommodating space 30.
  • the box body 100 replaces the cooling device in the traditional cell module, and forms a box body structure together with the surrounding frame 300, the cooling device of the cell module and the bottom plate of the cell module are integrated into a The integrated effect reduces the volume of the battery module, thereby improving the energy density of the battery module.
  • the enclosure frame 300 is provided with a third accommodation space 40, a first through hole 310 and a second through hole 320, and the first through hole 310 communicates with the first through hole 310.
  • the third accommodating space 40 and the external environment, the second through hole 320 and the cooling medium outlet 110 at least partially overlap. Therefore, when the cell module needs to be connected to the cooling medium discharge mechanism 70 , the plurality of cooling mediums can first pass through the different cooling medium outlets 110 respectively, enter the third accommodating space 40 for confluence, and then pass through the second through holes 320 together.
  • the cooling medium is discharged through the cooling medium discharge mechanism 70, thereby avoiding the need to provide the cooling medium discharge mechanism 70 at each cooling medium outlet 110, thereby reducing the exhaust cost of the cell module.
  • the cooling medium can be oil, water or wind, etc.
  • the cell module can also include a top cover (not shown in the figure), and the top cover can cover the upper end of the enclosing frame 300 , thereby sealing the second accommodating space 30 , thereby isolating the square cell 10 from the external environment and avoiding square The cell 10 is corroded.
  • the cell module in this embodiment further includes a plurality of second partitions 172 .
  • the plurality of second partitions 172 divide the second circulation space 152 into The third circulation space 153 and the fourth circulation space 154, the first transfer port 210 and the second transfer port 220 are all communicated with the fourth circulation space 154, so that the fourth circulation space 154 is communicated with the side cooling chamber 230, and the second partition
  • the plate 172 and the inner wall of the box body 100 form a second flow port 162 .
  • the cooling medium when the cooling medium enters the second circulation space 152 from bottom to top, it does not flow to the fourth circulation space 154 on the left and right sides, but passes through the third circulation space 153 from front to back to achieve
  • the heat dissipation from the bottom of the square cell 10 passes through the second flow port 162, enters the fourth flow space 154 toward the left and right sides, and finally enters the side cooling chamber 230 from the fourth flow space 154. Therefore, the flow rate of the cooling medium everywhere is Uniform, ensuring the uniform temperature of the cell module.
  • the cell module includes at least three side boxes 200 , and two adjacent side cooling chambers 230 are commonly communicated with the same fourth circulation space 154 .
  • the cell module is provided with two groups of square cells 10, and each group of square cells 10 needs to be cooled on the bottom and two sides.
  • the cell module in this embodiment is only designed with a fourth circulation space 154 at the position between the two groups of square cells 10, and the fourth circulation space here is
  • the space 154 communicates with the side cooling chambers 230 of the two side boxes 200 , thereby reducing the space of the cell module occupied by the fourth circulation space 154 , thereby improving the energy density of the cell module.
  • the cell module in this embodiment further includes a third partition 173, and the third partition 173 is in the direction from the back to the front.
  • the fourth circulation space 154 is divided into a fifth circulation space 155 and a sixth circulation space 156 along the length direction of the box body 100 beyond the first transfer port 210, and the sixth circulation space 156 is located where the cooling medium outlet 110 is located. side.
  • the first transfer port 210 communicates with the fifth circulation space 155 and the side cooling chamber 230
  • the second transfer port 220 communicates with the sixth circulation space 156 and the side cooling chamber 230
  • the cooling medium outlet 110 communicates with the sixth circulation space 156 . Therefore, when the cooling medium flows in the fourth circulation space 154 , it can be blocked by the third partition plate 173 , thereby preventing the cooling medium from directly flowing out of the casing 100 without passing through the side cooling chamber 230 .
  • the flow rate of the cooling medium in the fourth circulation space 154 is still greater than the flow rate of the cooling medium in the third circulation space 153 , resulting in The temperature of the square cells 10 is not uniform. Therefore, specifically, referring to FIGS. 6 and 7 , one end of the second partition plate 172 in this embodiment extends toward the first circulation space 151 to form a fourth partition plate 174 , and along the width direction of the box body 100 , the fourth partition plate 174
  • the first circulation space 151 is divided into a cooling space 50 and a circulation space 60 .
  • the cooling space 50 is located at the bottom of the first mounting surface 191
  • the circulation space 60 is located at the bottom of the second mounting surface 192 .
  • the first flow port 161 communicates with the cooling space 50 and the second flow space 152 .
  • the circulation space 60 is provided with the first flow port 161
  • the flow rate of the cooling medium in the circulation space 60 is greater than the flow rate of the cooling medium in the cooling space 50 , so that the cooling medium in the circulation space 60 has a negative effect on the third circulation space.
  • the heat dissipation effect of the cooling medium in the cooling space 153 is better than that of the cooling medium in the cooling space 50 for the cooling medium in the fourth circulation space 154 . In this way, the purpose of balancing the cooling efficiency of each cell module is achieved.
  • the battery cell module in the embodiment of the present application may include a cooling medium discharge mechanism 70 and a cooling medium inflow mechanism 80 .
  • the cooling medium discharge mechanism 70 is connected to the second through hole 310
  • the cooling medium inflow mechanism 80 is connected to the cooling medium inlet 120 .
  • the electric vehicle includes the battery cell module of the embodiment of the first aspect. Since the side cooling chamber 230 in the cell module of the electric vehicle is bidirectionally connected to the main cooling chamber 180 , the cooling medium can enter the side cooling chamber 230 through the main cooling chamber 180 , and then return from the side cooling chamber 230 to the side cooling chamber 230 . The main cooling chamber 180 finally leaves the box 100 through the cooling medium outlet 110 .
  • the bottom is attached to the first mounting surface 191 , and the two sides are against the side case 200 , when the cooling medium is in the main cooling chamber 180 and the side cooling chamber 230 , When flowing, part of the heat on the bottom surface and both sides of the square cell 10 can be conducted into the cooling medium and carried out of the box 100 by the cooling medium, so that the square cell 10 does not come into contact with the cooling medium while achieving For the purpose of dissipating heat to the square battery 10 , the insulation failure of the square battery 10 is avoided.

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  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

Disclosed in the present application are a battery cell module and an electric automobile. The battery cell module comprises a box body, a plurality of side boxes and a plurality of battery cells, wherein the box body is provided with a first mounting face, a second mounting face, a main cooling chamber and a cooling medium outlet; each side box is provided with a side cooling chamber; the side cooling chambers are in bidirectional communication with the main cooling chamber; the side boxes are arranged on the second mounting face; and the bottom face of a square battery cell is attached to the first mounting face, and two opposite side faces thereof both abut against surfaces of the side boxes. A cooling medium enters the side cooling chambers via the main cooling chamber, then returns the main cooling chamber from the side cooling chambers, and finally leaves the box body via the cooling medium outlet. The bottom of the battery cell is attached to the first mounting face, and the two sides thereof abut against side surfaces of the side boxes, so that when the cooling medium flows in the battery cell module, the cooling medium does not come into contact with the battery cell, and the aim of heat dissipation for the square battery cell can be achieved, thus avoiding insulation failure of the battery cell.

Description

电芯模组及电动汽车Cell Modules and Electric Vehicles 技术领域technical field
本申请涉及电芯冷却技术领域，尤其是涉及一种电芯模组及电动汽车。The present application relates to the technical field of cell cooling, and in particular, to a cell module and an electric vehicle.
背景技术Background technique
随着机动车保有量的不断攀升，方便人们出行的同时，随之带来环境污染也受到人们的重视。当前，全世界各个国家都在大力发展电动汽车，由于电芯在工作时，会使得电芯温度急剧上升，从而会影响电芯的寿命和安全，因此需要对电芯进行冷却。With the continuous increase in the number of motor vehicles, it is convenient for people to travel, and at the same time, environmental pollution has also attracted people's attention. At present, countries all over the world are vigorously developing electric vehicles. Since the temperature of the battery cell will rise sharply when it is working, which will affect the life and safety of the battery cell, it is necessary to cool the battery cell.
现有的电芯模组通常由包括有电芯和冷却装置等部件，现有的电芯模组在实现电芯的冷却时，通常通过冷却装置直接使冷却介质接触于电芯或各电器元件，因此导致电芯模组的内部会产生结露现象，进而导致电芯模组绝缘失效。Existing cell modules usually include components such as cells and cooling devices. When the existing cell modules are used to cool the cells, the cooling medium usually directly contacts the cells or various electrical components through the cooling device. , so that condensation will occur inside the cell module, which will lead to insulation failure of the cell module.
发明内容SUMMARY OF THE INVENTION
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请提出一种能够避免电芯模组绝缘失效的电芯模组。The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a cell module capable of avoiding insulation failure of the cell module.
本申请还提出一种具有上述电芯模组的电动汽车。The present application also proposes an electric vehicle having the above-mentioned battery cell module.
根据本申请第一方面实施例的电芯模组，所述电芯模组包括多个方形电芯；箱体，所述箱体限定有主冷却腔室，所述箱体还设置有连通所述主冷却腔室的冷却介质入口和冷却介质出口，所述箱体在一个表面设置有至少一个第一安装面，多个所述方形电芯排列设置于所述第一安装面，多个所述方形电芯的底面与所述第一安装面接触连接，在所述第一安装面沿多个所述方形电芯的排列方向的两侧，还设置有第二安装面；侧箱，设置于所述第二安装面，每个所述侧箱朝向所述第一安装面的一侧的表面与所述方形电芯的侧面接触连接，每个所述侧箱限定有侧冷却腔室，所述侧冷却腔室与所述主冷却腔室双向连通。According to the battery cell module according to the first aspect of the present application, the battery cell module includes a plurality of square cells; a box body, the box body defines a main cooling chamber, and the box body is further provided with a communication The cooling medium inlet and cooling medium outlet of the main cooling chamber, the box body is provided with at least one first mounting surface on one surface, a plurality of the square cells are arranged on the first mounting surface, and a plurality of the The bottom surface of the square electric core is in contact with the first installation surface, and a second installation surface is also provided on both sides of the first installation surface along the arrangement direction of the plurality of square electric cores; the side box is provided with a second installation surface. On the second mounting surface, the surface of each side box facing the side of the first mounting surface is in contact with the side surface of the square cell, and each side box defines a side cooling chamber, The side cooling chamber is in bidirectional communication with the main cooling chamber.
根据本申请中实施例的电芯模组，至少具有如下技术效果：The battery module according to the embodiment of the present application has at least the following technical effects:
由于侧冷却腔室双向连通于主冷却腔室，因此冷却介质能够经由主冷却腔室进入侧冷却腔室，再由侧冷却腔室回到主冷却腔室，最后经由冷却介质出口离开箱体。由于方形电芯的底面接触于第一安装面，且两侧面接触于侧箱的表面，因此当冷却介质在主冷却腔室和侧冷却腔室中流动时，方形电芯的底面和两侧面上的部分热量能够被传导至冷却介质中，并被冷 却介质带出箱体。由于侧箱设置于第二安装面，且侧冷却腔室和主冷却腔室双向连通，因此冷却介质在电芯模组中流动时，始终位于主冷却腔室和侧冷却腔室中，未接触电芯，因此能够达到电芯在不与冷却介质接触的同时，完成对电芯的散热，以及避免电芯绝缘失效的效果。Since the side cooling chamber is bidirectionally connected to the main cooling chamber, the cooling medium can enter the side cooling chamber through the main cooling chamber, return to the main cooling chamber from the side cooling chamber, and finally leave the box through the cooling medium outlet. Since the bottom surface of the square cell is in contact with the first mounting surface, and the two sides are in contact with the surface of the side case, when the cooling medium flows in the main cooling chamber and the side cooling chamber, the bottom surface and the two sides of the square cell are in contact with each other. Part of the heat can be conducted into the cooling medium and taken out of the box by the cooling medium. Since the side box is arranged on the second installation surface, and the side cooling chamber and the main cooling chamber are connected in both directions, the cooling medium is always located in the main cooling chamber and the side cooling chamber when flowing in the cell module, without contacting Therefore, it can achieve the effect of completing the heat dissipation of the battery core and avoiding the insulation failure of the battery core without contacting the cooling medium.
根据本申请实施例中的一些实施例，所述电芯模组包括第一隔板，设置有冷却介质入口，沿所述箱体的厚度方向，所述第一隔板将所述主冷却腔室分隔为第一流通空间和第二流通空间，所述第一流通空间位于所述第一安装面的底部，所述冷却介质入口连通所述第一流通空间和外界环境，所述第一隔板和所述箱体的内壁共同限定形成第一流通口，所述第一流通口位于所述箱体的一端，所述冷却介质入口位于所述箱体的另一端，且所述第一流通口连通所述第一流通空间和所述第二流通空间。According to some of the embodiments of the present application, the cell module includes a first partition plate provided with a cooling medium inlet, and along the thickness direction of the box, the first partition plate separates the main cooling cavity The chamber is divided into a first circulation space and a second circulation space, the first circulation space is located at the bottom of the first installation surface, the cooling medium inlet communicates with the first circulation space and the external environment, and the first circulation space is The plate and the inner wall of the box body jointly define a first circulation port, the first circulation port is located at one end of the box body, the cooling medium inlet is located at the other end of the box body, and the first circulation port is located at the other end of the box body. The port communicates with the first circulation space and the second circulation space.
根据本申请实施例中的一些实施例，所述电芯模组还包括导流排，所述导流排设置于所述主冷却腔室和侧冷却腔室中，且将所述主冷却腔室等间距地分隔为多个主冷却通道，将所述侧冷却腔室等间距地分隔为多个侧冷却通道。According to some of the embodiments of the present application, the cell module further includes a guide row, the guide row is disposed in the main cooling chamber and the side cooling chamber, and connects the main cooling chamber The chamber is equally spaced into a plurality of main cooling channels, and the side cooling chambers are equally spaced into a plurality of side cooling channels.
根据本申请实施例中的一些实施例，所述箱体包括限位凸起和底板，所述限位凸起凸起于所述底板，沿所述箱体的宽度方向，所述限位凸起的长度等于所述方形电芯的长度，所述第一安装面设置于所述限位凸起的表面，所述侧箱抵持于所述限位凸起。According to some of the embodiments of the present application, the box body includes a limit protrusion and a bottom plate, the limit protrusion protrudes from the bottom plate, and along the width direction of the box body, the limit protrusion The length is equal to the length of the square cell, the first mounting surface is disposed on the surface of the limiting protrusion, and the side case is pressed against the limiting protrusion.
根据本申请实施例中的一些实施例，所述电芯模组还包括围框，所述围框的内壁连接于所述箱体的侧面，以与箱体共同限定形成第二容纳空间，所述侧箱容纳于所述第二容纳空间，且所述围框设置有第三容纳空间、第一通孔和第二通孔，所述第一通孔连通所述第三容纳空间和外界环境，所述第二通孔和所述冷却介质出口至少部分重合。According to some of the embodiments of the present application, the cell module further includes an enclosing frame, and the inner wall of the enclosing frame is connected to the side surface of the box body to define a second accommodating space together with the box body. The side box is accommodated in the second accommodating space, and the enclosing frame is provided with a third accommodating space, a first through hole and a second through hole, and the first through hole communicates with the third accommodating space and the external environment , the second through hole and the cooling medium outlet at least partially overlap.
根据本申请实施例中的一些实施例，所述电芯模组还包括多个第二隔板，多个第二隔板沿所述箱体的宽度方向，将所述第二流通空间分隔为第三流通空间和第四流通空间，所述第四流通空间连通所述侧冷却腔室，且位于所述第二安装面底部，所述第二隔板和所述箱体的内壁形成第二流通口，所述第二流通口位于所述箱体的一端，所述第一流通口位于所述箱体的另一端。According to some of the embodiments of the present application, the cell module further includes a plurality of second partitions, and the plurality of second partitions divide the second circulation space along the width direction of the box into A third circulation space and a fourth circulation space, the fourth circulation space communicates with the side cooling chamber and is located at the bottom of the second installation surface, and the second partition and the inner wall of the box form a second A circulation port, the second circulation port is located at one end of the box body, and the first circulation port is located at the other end of the box body.
根据本申请实施例中的一些实施例，所述电芯模组包括至少三个侧箱，相邻的两个侧冷却腔室共同连通于同一第四流通空间。According to some of the embodiments of the present application, the cell module includes at least three side boxes, and two adjacent side cooling chambers are commonly communicated with the same fourth circulation space.
根据本申请实施例中的一些实施例，所述电芯模组还包括第三隔板，所述第三隔板沿所述箱体的长度方向，将所述第四流通空间分隔为第五流通空间和第六流通空间，所述第六流 通空间位于所述冷却介质出口所在的一侧，所述侧箱设置有第一转移口和第二转移口，所述第一转移口连通所述第五流通空间和所述侧冷却腔室，所述第二转移口连通所述第六流通空间和侧冷却腔室，所述冷却介质出口连通所述第六流通空间。According to some of the embodiments of the present application, the cell module further includes a third partition, and the third partition divides the fourth circulation space into a fifth partition along the length direction of the box body A circulation space and a sixth circulation space, the sixth circulation space is located on the side where the cooling medium outlet is located, the side box is provided with a first transfer port and a second transfer port, and the first transfer port communicates with the The fifth circulation space and the side cooling chamber, the second transfer port communicates with the sixth circulation space and the side cooling chamber, and the cooling medium outlet communicates with the sixth circulation space.
根据本申请实施例中的一些实施例，所述第二隔板的一端朝向第一流通空间延伸形成第四隔板，沿所述箱体的宽度方向，所述第四隔板将所述第一流通空间分为冷却空间和循环空间，所述冷却空间位于所述第一安装面的底部，所述循环空间位于所述第二安装面的底部，所述第一流通口连通所述冷却空间和所述第二流通空间。According to some embodiments of the embodiments of the present application, one end of the second partition plate extends toward the first circulation space to form a fourth partition plate, and along the width direction of the box, the fourth partition plate separates the first partition plate A circulation space is divided into a cooling space and a circulation space, the cooling space is located at the bottom of the first installation surface, the circulation space is located at the bottom of the second installation surface, and the first circulation port communicates with the cooling space and the second circulation space.
根据本申请第二方面实施例的电动汽车，所述电动汽车包括如上述第一方面实施例中的所述电芯模组。According to the electric vehicle of the embodiment of the second aspect of the present application, the electric vehicle includes the battery cell module as described in the embodiment of the first aspect.
根据本申请中实施例的电动汽车，至少具有如下技术效果：The electric vehicle according to the embodiment of the present application has at least the following technical effects:
由于电动汽车的电芯模组设置有主冷却腔室和侧冷却腔室，而侧冷却腔室双向连通于主冷却腔室，因此冷却介质能够经由主冷却腔室进入侧冷却腔室，再由侧冷却腔室回到主冷却腔室，最后经由冷却介质出口离开箱体。由于方形电芯的底面接触于第一安装面，且两侧面接触于侧箱的表面，因此当冷却介质在主冷却腔室和侧冷却腔室中流动时，方形电芯的底面和两侧面上的部分热量能够被传导至冷却介质中，并被冷却介质带出箱体。由于侧箱设置于第二安装面，且侧冷却腔室和主冷却腔室双向连通，因此冷却介质在电芯模组中流动时，始终位于主冷却腔室和侧冷却腔室中，未接触电芯，因此能够达到电芯在不与冷却介质接触的同时，完成对电芯的散热，以及避免电芯绝缘失效的效果。Since the cell module of an electric vehicle is provided with a main cooling chamber and a side cooling chamber, and the side cooling chamber is bidirectionally connected to the main cooling chamber, the cooling medium can enter the side cooling chamber through the main cooling chamber, and then pass through the side cooling chamber. The side cooling chamber returns to the main cooling chamber and finally leaves the tank via the cooling medium outlet. Since the bottom surface of the square cell is in contact with the first mounting surface, and the two sides are in contact with the surface of the side case, when the cooling medium flows in the main cooling chamber and the side cooling chamber, the bottom surface and the two sides of the square cell are in contact with each other. Part of the heat can be conducted into the cooling medium and taken out of the box by the cooling medium. Since the side box is arranged on the second installation surface, and the side cooling chamber and the main cooling chamber are connected in both directions, the cooling medium is always located in the main cooling chamber and the side cooling chamber when flowing in the cell module, without contacting Therefore, it is possible to achieve the effect of completing the heat dissipation of the battery core and avoiding the insulation failure of the battery core without contacting the cooling medium.
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.
附图说明Description of drawings
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:
图1是本申请一个实施例的电芯模组的结构示意图；1 is a schematic structural diagram of a cell module according to an embodiment of the present application;
图2是本申请另一个实施例的电芯模组的结构示意图；2 is a schematic structural diagram of a cell module according to another embodiment of the present application;
图3是本申请另一个实施例的电芯模组的结构示意图；3 is a schematic structural diagram of a cell module according to another embodiment of the present application;
图4是本申请一个实施例的电芯模组的箱体的局部剖视图；4 is a partial cross-sectional view of a box of a cell module according to an embodiment of the present application;
图5是本申请一个实施例的电芯模组的侧箱的局部剖视图；5 is a partial cross-sectional view of a side box of a cell module according to an embodiment of the present application;
图6是本申请另一个实施例的电芯模组的箱体的局部剖视图；6 is a partial cross-sectional view of a box body of a cell module according to another embodiment of the present application;
图7是本申请另一个实施例的电芯模组的箱体的局部剖视图；7 is a partial cross-sectional view of a box of a cell module according to another embodiment of the present application;
图8是本申请另一个实施例的电芯模组的结构示意图；8 is a schematic structural diagram of a cell module according to another embodiment of the present application;
图9是本申请另一个实施例的电芯模组的结构示意图。FIG. 9 is a schematic structural diagram of a battery module according to another embodiment of the present application.
附图标记：Reference number:
方形电芯10、第一容纳空间20、第二容纳空间30、第三容纳空间40、冷却空间50、循环空间60、冷却介质排出机构70、冷却介质流入机构80； Square cell 10 , first accommodating space 20 , second accommodating space 30 , third accommodating space 40 , cooling space 50 , circulation space 60 , cooling medium discharge mechanism 70 , cooling medium inflow mechanism 80 ;
箱体100、限位凸起101、底板102、冷却介质出口110、冷却介质入口120、第三通孔130、第四通孔140、第一流通空间151、第二流通空间152、第三流通空间153、第四流通空间154、第五流通空间155、第六流通空间156、第一流通口161、第二流通口162、第一隔板171、第二隔板172、第三隔板173、第四隔板174、主冷却腔室180、导流排190、第一安装面191、第二安装面192、主冷却通道193、侧箱200、第一转移口210、第二转移口220、侧冷却腔室230、侧冷却通道231、围框300、第一通孔310、第二通孔320。 Box 100, limiting protrusion 101, bottom plate 102, cooling medium outlet 110, cooling medium inlet 120, third through hole 130, fourth through hole 140, first circulation space 151, second circulation space 152, third circulation space 153 , fourth circulation space 154 , fifth circulation space 155 , sixth circulation space 156 , first circulation port 161 , second circulation port 162 , first partition plate 171 , second partition plate 172 , third partition plate 173 , the fourth partition 174, the main cooling chamber 180, the guide row 190, the first installation surface 191, the second installation surface 192, the main cooling channel 193, the side box 200, the first transfer port 210, the second transfer port 220 , a side cooling chamber 230 , a side cooling channel 231 , a surrounding frame 300 , a first through hole 310 , and a second through hole 320 .
具体实施方式Detailed ways
以下将结合实施例对本申请的构思及产生的技术效果进行清楚、完整地描述，以充分地理解本申请的目的、特征和效果。显然，所描述的实施例只是本申请的一部分实施例，而不是全部实施例，基于本申请的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本申请保护的范围。The concept of the present application and the resulting technical effects will be clearly and completely described below with reference to the embodiments, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative work belong to The scope of protection of this application.
在本申请实施例的描述中，如果涉及到方位描述，例如“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。In the description of the embodiments of the present application, if the orientation description is involved, for example, the orientation or positional relationship indicated by "up", "down", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.
在本申请实施例的描述中，如果某一特征被称为“设置”、“连接”、“安装”在另一个特征，它可以直接设置、固定、连接在另一个特征上，也可以间接地设置、固定、连接、在另一个特征上。In the description of the embodiments of the present application, if a certain feature is referred to as "set", "connected" or "installed" on another feature, it can be directly set, fixed, or connected to another feature, or it can be indirectly Set, fasten, connect, on another feature.
本申请中的箱体100的厚度方向为图1中的上下方向，长度方向为图1中的前后方向， 宽度方向为图1中的左右方向。The thickness direction of the box body 100 in the present application is the up-down direction in FIG. 1 , the longitudinal direction is the front-rear direction in FIG. 1 , and the width direction is the left-right direction in FIG. 1 .
根据本申请第一方面实施例的电芯模组，电芯模组包括：多个方形电芯10、箱体100和侧箱200，箱体100限定有主冷却腔室180，箱体100还设置有连通主冷却腔室180的冷却介质入口120和冷却介质出口110，箱体100在一个表面设置有至少一个第一安装面191，多个方形电芯10排列设置于第一安装面191，多个方形电芯10的底面与第一安装面191接触连接，在第一安装面191沿多个方形电芯10的排列方向的两侧，还设置有第二安装面192。侧箱200设置于第二安装面，每个侧箱200朝向第一安装面191的一侧的表面与方形电芯10的侧面接触连接，每个侧箱200限定有侧冷却腔室230，侧冷却腔室30与主冷却腔室180双向连通。According to the cell module according to the embodiment of the first aspect of the present application, the cell module includes: a plurality of square cells 10 , a box body 100 and a side box 200 , the box body 100 defines a main cooling chamber 180 , and the box body 100 also A cooling medium inlet 120 and a cooling medium outlet 110 that communicate with the main cooling chamber 180 are provided. The box 100 is provided with at least one first mounting surface 191 on one surface, and a plurality of square cells 10 are arranged on the first mounting surface 191. The bottom surfaces of the plurality of square cells 10 are in contact with the first mounting surface 191 , and second mounting surfaces 192 are further provided on both sides of the first mounting surface 191 along the arrangement direction of the plurality of square cells 10 . The side boxes 200 are disposed on the second mounting surface, and the surface of each side box 200 facing the side of the first mounting surface 191 is in contact and connected with the side surface of the square cell 10 , and each side box 200 defines a side cooling chamber 230 . The cooling chamber 30 is in bidirectional communication with the main cooling chamber 180 .
具体地，参考图1和图2，箱体100和侧箱200均为板状结构，多个方形电芯10沿前后方向排列于位于箱体100的第一安装面191，且方形电芯10的底面贴合于箱体100的第一安装面191。第二安装面192设置于第一安装面的191的左右两侧，侧箱200的底面贴合于第二安装面192，方形电芯10的左右两侧的面均贴合于侧箱200的侧面。参考图3，箱体100的底部设置有冷却介质入口120，冷却介质能够由冷却介质入口120中进入主冷却腔室180。参考图4，沿冷却介质在前后方向的流动方向，箱体100的上表面还设置有多个第三通孔130和第四通孔140，第二转移口220位于箱体100上的靠近冷却介质出口110的一端。Specifically, referring to FIG. 1 and FIG. 2 , the box body 100 and the side box 200 are both plate-shaped structures, a plurality of square cells 10 are arranged on the first mounting surface 191 of the box body 100 along the front-rear direction, and the square cells 10 The bottom surface is attached to the first installation surface 191 of the box body 100 . The second installation surface 192 is disposed on the left and right sides of the first installation surface 191 , the bottom surface of the side case 200 is attached to the second installation surface 192 , and the left and right sides of the square cell 10 are attached to the side case 200 . side. Referring to FIG. 3 , the bottom of the box body 100 is provided with a cooling medium inlet 120 , and the cooling medium can enter the main cooling chamber 180 from the cooling medium inlet 120 . Referring to FIG. 4 , along the flow direction of the cooling medium in the front-rear direction, the upper surface of the box body 100 is further provided with a plurality of third through holes 130 and fourth through holes 140 , and the second transfer port 220 is located on the box body 100 near the cooling One end of the medium outlet 110 .
参考图5，当侧箱200连接于箱体100时，第三通孔130至少部分重合于第一转移口210，第四通孔140至少部分重合于第二转移口220，由此冷却介质能够自主冷却腔室180，穿过第三通孔130进入侧冷却腔室230，再自后向前地自侧冷却腔室230中穿过第四通孔140回到主冷却腔室180，实现双向连通，并最终自冷却介质出口110离开主冷却腔室180。由于方形电芯10的底面和两侧分别抵持于箱体100和侧箱200，因此在冷却介质的流动过程中，冷却介质并未与方形电芯10接触，但由于热量的传导，方形电芯10的热量传导至箱体100和侧箱200，再由箱体100和侧箱200传导至冷却介质，因此本实施例中的电芯模组能够在实现方形电芯10散热的同时，避免方形电芯10结露而导致绝缘失效。Referring to FIG. 5 , when the side case 200 is connected to the case body 100 , the third through hole 130 at least partially coincides with the first transfer port 210 , and the fourth through hole 140 at least partially coincides with the second transfer port 220 , so that the cooling medium can The main cooling chamber 180 enters the side cooling chamber 230 through the third through hole 130, and then returns to the main cooling chamber 180 from the back to the front through the fourth through hole 140 in the side cooling chamber 230 to realize bidirectional communicate and eventually exit the main cooling chamber 180 from the cooling medium outlet 110 . Since the bottom surface and both sides of the square battery cells 10 are against the box body 100 and the side box 200, respectively, during the flow of the cooling medium, the cooling medium does not contact the square battery cells 10, but due to the conduction of heat, the square battery cells 10 are not in contact with each other. The heat of the core 10 is conducted to the box body 100 and the side box 200, and then conducted to the cooling medium by the box body 100 and the side box 200. Therefore, the battery core module in this embodiment can realize the heat dissipation of the square battery core 10 and avoid the Insulation failure due to condensation on the square cell 10 .
在一些实施例中，由于冷却介质刚进入主冷却腔室180时候，其尚未接触于箱体100的内壁，因此冷却效果较好。所以位于冷却介质入口120处的方形电芯10的冷却效果相较于远离冷却介质入口120处的方形电芯10的冷却效果较好，从而导致各个方形电芯10之间的温度不均匀。具体地，参考图6和图7，电芯模组包括第一隔板171，设置有冷却介质入口120，沿箱体100的厚度方向，第一隔板171将主冷却腔室180分隔为第一流通空间151和第二流 通空间152，第二流通空间152位于电芯冷安装面191之下。第一流通空间151位于箱体100的上层，第二流通空间152位于箱体100的下层。冷却介质入口120连通第一流通空间151和外界环境。In some embodiments, since the cooling medium has just entered the main cooling chamber 180, it has not yet contacted the inner wall of the box body 100, so the cooling effect is better. Therefore, the cooling effect of the square cells 10 located at the cooling medium inlet 120 is better than that of the square cells 10 farther from the cooling medium inlet 120 , resulting in uneven temperature among the square cells 10 . Specifically, referring to FIGS. 6 and 7 , the cell module includes a first partition 171 provided with a cooling medium inlet 120 . Along the thickness direction of the box 100 , the first partition 171 divides the main cooling chamber 180 into a second partition. A circulation space 151 and a second circulation space 152 , and the second circulation space 152 is located under the cold mounting surface 191 of the cell. The first circulation space 151 is located on the upper layer of the box body 100 , and the second circulation space 152 is located on the lower layer of the box body 100 . The cooling medium inlet 120 communicates with the first circulation space 151 and the external environment.
第一隔板171和箱体100的内壁共同限定形成第一流通口161，第一流通口161位于箱体100的前端，冷却介质入口120位于箱体100的后端，且第一流通口161连通第一流通空间151和第二流通空间152。因此当冷却介质由外界进入箱体100时，能够先充斥于第一流通空间151，再下向上地经由第一流通口161进入第二流通空间152，此时冷却介质已经充分与第一隔板171和箱体100的内壁接触，相较于刚进入第一流通空间151时冷却介质的分散状流动方向，冷却介质由自第一流通空间151进入第二流通空间152时的整体流动方向大致一致，从而使得方形电芯10的各个部位均能够保持一致的冷却效率，由此保证了方形电芯10冷却时的均温性。The first partition 171 and the inner wall of the box body 100 jointly define a first flow port 161 , the first flow port 161 is located at the front end of the box body 100 , the cooling medium inlet 120 is located at the rear end of the box body 100 , and the first flow port 161 The first circulation space 151 and the second circulation space 152 are communicated. Therefore, when the cooling medium enters the box 100 from the outside, it can fill the first circulation space 151 first, and then enter the second circulation space 152 through the first circulation port 161 from the bottom to the top. 171 is in contact with the inner wall of the box 100. Compared with the dispersed flow direction of the cooling medium when it first enters the first circulation space 151, the overall flow direction of the cooling medium when entering the second circulation space 152 from the first circulation space 151 is roughly the same. , so that all parts of the square cell 10 can maintain consistent cooling efficiency, thereby ensuring the uniformity of temperature when the square cell 10 is cooled.
在一些实施例中，电芯模组还包括导流排190，导流排190设置于主冷却腔室180和侧冷却腔室230中，将主冷却腔室180等间距地分隔为多个主冷却通道193，且将侧冷却腔室230等间距地分隔为多个侧冷却通道231。由于方形电芯10在工作时，若方形电芯10的各处温度不均匀，则易导致方形电芯10的寿命缩短，为了避免方形电芯10由于各处温度不均匀而导致方形电芯10寿命缩短，需要保证方形电芯10的均温性。具体地，参考图5和图6，导流排190将主冷却腔室180分多个主冷却通道193，由此，冷却介质能够在主冷却腔室180中均匀的流通，侧箱200也设置有导流排190，由此使得侧冷却腔室230等间距地被分隔为多个侧冷却通道231，进而使得冷却介质在侧箱200中各处的流速相等，进而避免冷却介质在主冷却腔室180和侧冷却腔室231中，各处的流速不均而导致各个方形电芯10底部或侧部的冷却效果不一致，以进而提高方形电芯10的均温性。In some embodiments, the cell module further includes a guide row 190 , and the guide row 190 is disposed in the main cooling chamber 180 and the side cooling chamber 230 , and divides the main cooling chamber 180 into a plurality of main cooling chambers equidistantly. The cooling channel 193 is equally spaced and the side cooling chamber 230 is divided into a plurality of side cooling channels 231 . When the square battery 10 is working, if the temperature of the square battery 10 is not uniform, the service life of the square battery 10 may be shortened. The lifespan is shortened, and it is necessary to ensure the temperature uniformity of the square cells 10 . Specifically, referring to FIG. 5 and FIG. 6 , the guide row 190 divides the main cooling chamber 180 into a plurality of main cooling channels 193 , whereby the cooling medium can be uniformly circulated in the main cooling chamber 180 , and the side boxes 200 are also provided There are diversion rows 190, so that the side cooling chamber 230 is divided into a plurality of side cooling channels 231 at equal intervals, so that the flow velocity of the cooling medium in the side box 200 is equal, thereby avoiding the cooling medium in the main cooling chamber. In the chamber 180 and the side cooling chamber 231 , the flow velocity is not uniform at various places, resulting in inconsistent cooling effects at the bottom or side of each square cell 10 , so as to further improve the temperature uniformity of the square cell 10 .
在一些实施例中，由于方形电芯10的左右两侧需要贴合于侧箱200，因此形成第一容纳空间20的侧箱200之间的距离通常需要等于方形电芯10的在左右方向上的长度。在某些电芯模组的安装过程中，需要先将侧箱200连接于箱体100。因此，为了避免侧箱200之间的距离大于或小于方形电芯10的在左右方向上的长度，所以参考图2和图8，本实施例中的箱体100包括限位凸起101和底板102，限位凸起101凸起于底板102，第一安装面191设置于限位凸起101的上表面，第二安装面192设置于底板102的上表面。由于沿箱体100的宽度方向，限位凸起101的长度等于方形电芯10的长度，因此当侧箱200抵持于限位凸起101后，第一容纳空间20在左右方向上的长度等于方形电芯10的长度，因此方形电芯10能够直接***第一容纳空间20，无需人工调节侧箱200和方形电芯10之间的位置，进而提高电芯模组 的安装效率。In some embodiments, since the left and right sides of the square cell 10 need to be attached to the side case 200 , the distance between the side cases 200 forming the first accommodating space 20 generally needs to be equal to the left-right direction of the square cell 10 . length. During the installation of some cell modules, the side case 200 needs to be connected to the case body 100 first. Therefore, in order to prevent the distance between the side boxes 200 from being larger or smaller than the length of the square cell 10 in the left-right direction, referring to FIG. 2 and FIG. 8 , the box body 100 in this embodiment includes a limiting protrusion 101 and a bottom plate 102 , the limiting protrusion 101 protrudes from the bottom plate 102 , the first mounting surface 191 is disposed on the upper surface of the limiting protrusion 101 , and the second mounting surface 192 is disposed on the upper surface of the bottom plate 102 . Since the length of the limiting protrusion 101 is equal to the length of the square cell 10 along the width direction of the box body 100 , after the side box 200 is pressed against the limiting protrusion 101 , the length of the first accommodating space 20 in the left-right direction It is equal to the length of the square cell 10 , so the square cell 10 can be directly inserted into the first accommodating space 20 , and there is no need to manually adjust the position between the side box 200 and the square cell 10 , thereby improving the installation efficiency of the cell module.
在一些实施例中，由于现有的电芯模组的需要提高能量密度。因此，参考图7，本实施例中的电芯模组还包括围框300，围框300的内壁连接于箱体100的侧面，以包裹箱体100，并与箱体100共同限定形成第二容纳空间30。此时由于箱体100取代了传统的电芯模组中的冷却装置，并与围框300共同形成箱体结构，因此达到了将电芯模组的冷却装置和电芯模组的底板整合为一体的效果，从而缩小了电芯模组的体积，进而提高了电芯模组的能量密度。In some embodiments, the energy density is increased due to the needs of existing cell modules. Therefore, referring to FIG. 7 , the cell module in this embodiment further includes an enclosing frame 300 , and the inner wall of the enclosing frame 300 is connected to the side of the box body 100 to wrap the box body 100 , and together with the box body 100 define a second Accommodating space 30. At this time, since the box body 100 replaces the cooling device in the traditional cell module, and forms a box body structure together with the surrounding frame 300, the cooling device of the cell module and the bottom plate of the cell module are integrated into a The integrated effect reduces the volume of the battery module, thereby improving the energy density of the battery module.
由于通常电芯模组设置有多个侧箱200和冷却介质出口110，因此围框300设置有第三容纳空间40、第一通孔310和第二通孔320，第一通孔310连通第三容纳空间40和外界环境，第二通孔320和冷却介质出口110至少部分重合。因此当电芯模组需要连接于冷却介质排出机构70时，多股冷却介质能够先分别穿过第不同的冷却介质出口110，进入第三容纳空间40进行汇流，再一同自第二通孔320中经由冷却介质排出机构70排出，由此避免需要在每个冷却介质出口110处均设置冷却介质排出机构70，进而降低了电芯模组的排风成本。可以理解的是，冷却介质可以为油、水或风等。电芯模组还能够包括一顶盖(图中未示出)，顶盖能够覆盖于围框300上端，由此密封第二容纳空间30，以此隔绝方形电芯10和外界环境，避免方形电芯10被腐蚀。Since the cell module is usually provided with a plurality of side boxes 200 and cooling medium outlets 110, the enclosure frame 300 is provided with a third accommodation space 40, a first through hole 310 and a second through hole 320, and the first through hole 310 communicates with the first through hole 310. The third accommodating space 40 and the external environment, the second through hole 320 and the cooling medium outlet 110 at least partially overlap. Therefore, when the cell module needs to be connected to the cooling medium discharge mechanism 70 , the plurality of cooling mediums can first pass through the different cooling medium outlets 110 respectively, enter the third accommodating space 40 for confluence, and then pass through the second through holes 320 together. The cooling medium is discharged through the cooling medium discharge mechanism 70, thereby avoiding the need to provide the cooling medium discharge mechanism 70 at each cooling medium outlet 110, thereby reducing the exhaust cost of the cell module. It can be understood that the cooling medium can be oil, water or wind, etc. The cell module can also include a top cover (not shown in the figure), and the top cover can cover the upper end of the enclosing frame 300 , thereby sealing the second accommodating space 30 , thereby isolating the square cell 10 from the external environment and avoiding square The cell 10 is corroded.
在一些实施例中，由于侧冷却腔室230和主冷却腔室180之间存在高度差以及容积差，因此冷却介质在需要分散以进入侧冷却腔室230和主冷却腔室180时，却介质的流速会发生变化，进而导致电芯模组各处的温度不均匀。因此参考图4至图6，本实施例中的电芯模组还包括多个第二隔板172，沿箱体100的宽度方向，多个第二隔板172将第二流通空间152分隔为第三流通空间153和第四流通空间154，第一转移口210和第二转移口220均连通于第四流通空间154，由此使得第四流通空间154连通侧冷却腔室230，第二隔板172和箱体100的内壁形成第二流通口162，第二流通口162位于箱体100的后端，第一流通口161位于箱体100的前端。In some embodiments, due to the height difference and volume difference between the side cooling chamber 230 and the main cooling chamber 180 , when the cooling medium needs to be dispersed to enter the side cooling chamber 230 and the main cooling chamber 180 , the cooling medium The flow rate of the battery will change, resulting in uneven temperature throughout the cell module. Therefore, referring to FIGS. 4 to 6 , the cell module in this embodiment further includes a plurality of second partitions 172 . Along the width direction of the box body 100 , the plurality of second partitions 172 divide the second circulation space 152 into The third circulation space 153 and the fourth circulation space 154, the first transfer port 210 and the second transfer port 220 are all communicated with the fourth circulation space 154, so that the fourth circulation space 154 is communicated with the side cooling chamber 230, and the second partition The plate 172 and the inner wall of the box body 100 form a second flow port 162 .
因此，参考图6，当冷却介质自下而上地进入第二流通空间152时，并不会流向左右两侧的第四流通空间154，而是自前向后地经过第三流通空间153，实现方形电芯10的底部的散热，再经过第二流通口162，朝向左右两侧进入第四流通空间154，最后由第四流通空间154进入侧冷却腔室230，因此各处的冷却介质的流速均匀，保证了电芯模组的均温性。Therefore, referring to FIG. 6 , when the cooling medium enters the second circulation space 152 from bottom to top, it does not flow to the fourth circulation space 154 on the left and right sides, but passes through the third circulation space 153 from front to back to achieve The heat dissipation from the bottom of the square cell 10 passes through the second flow port 162, enters the fourth flow space 154 toward the left and right sides, and finally enters the side cooling chamber 230 from the fourth flow space 154. Therefore, the flow rate of the cooling medium everywhere is Uniform, ensuring the uniform temperature of the cell module.
在一些实施例中，电芯模组包括至少三个侧箱200，相邻的两个侧冷却腔室230共同连通于同一第四流通空间154。具体地，烦请参考图1和图2，电芯模组设置有两组方形电芯 10，每一组方形电芯10均需要进行底面和两个侧面的冷却。因此在保证方形电芯10散热效率的情况下，本市实施例中的电芯模组在两组方形电芯10之间的部位仅设计一个第四流通空间154，而此处的第四流通空间154和两个侧箱200的侧冷却腔室230相连通，由此减少了第四流通空间154的所占用的电芯模组的空间，进而提高了电芯模组的能量密度。In some embodiments, the cell module includes at least three side boxes 200 , and two adjacent side cooling chambers 230 are commonly communicated with the same fourth circulation space 154 . Specifically, please refer to FIG. 1 and FIG. 2, the cell module is provided with two groups of square cells 10, and each group of square cells 10 needs to be cooled on the bottom and two sides. Therefore, under the condition of ensuring the heat dissipation efficiency of the square cells 10, the cell module in this embodiment is only designed with a fourth circulation space 154 at the position between the two groups of square cells 10, and the fourth circulation space here is The space 154 communicates with the side cooling chambers 230 of the two side boxes 200 , thereby reducing the space of the cell module occupied by the fourth circulation space 154 , thereby improving the energy density of the cell module.
在一些实施例中，由于第四流通空间154的一端直接连通于冷却介质出口110，因此部分冷却介质会直接流经冷却介质出口110离开箱体100，而并未进入侧冷却腔室230，导致了方形电芯10冷却介质的利用率低，因此，具体地，参考图6,本实施例中的电芯模组还包括第三隔板173，第三隔板173在自后向前的方向上，超过第一转移口210，并沿箱体100的长度方向，将第四流通空间154分隔为第五流通空间155和第六流通空间156，第六流通空间156位于冷却介质出口110所在的一侧。第一转移口210连通第五流通空间155和侧冷却腔室230，第二转移口220连通第六流通空间156和侧冷却腔室230，冷却介质出口110连通第六流通空间156。由此，当冷却介质在第四流通空间154中流动时，能够被第三隔板173所阻挡，由此避免冷却介质未经过侧冷却腔室230而直接流出箱体100。In some embodiments, since one end of the fourth circulation space 154 is directly connected to the cooling medium outlet 110 , part of the cooling medium will directly flow through the cooling medium outlet 110 and leave the box 100 without entering the side cooling chamber 230 , resulting in The utilization rate of the cooling medium of the square cell 10 is low. Therefore, specifically, referring to FIG. 6, the cell module in this embodiment further includes a third partition 173, and the third partition 173 is in the direction from the back to the front. The fourth circulation space 154 is divided into a fifth circulation space 155 and a sixth circulation space 156 along the length direction of the box body 100 beyond the first transfer port 210, and the sixth circulation space 156 is located where the cooling medium outlet 110 is located. side. The first transfer port 210 communicates with the fifth circulation space 155 and the side cooling chamber 230 , the second transfer port 220 communicates with the sixth circulation space 156 and the side cooling chamber 230 , and the cooling medium outlet 110 communicates with the sixth circulation space 156 . Therefore, when the cooling medium flows in the fourth circulation space 154 , it can be blocked by the third partition plate 173 , thereby preventing the cooling medium from directly flowing out of the casing 100 without passing through the side cooling chamber 230 .
在一些实施例中，由于通常第四流通空间154的容积小于第三流通空间153，因此仍然存在冷却介质在第四流通空间154中的流速大于冷却介质在第三流通空间153中的流速，导致方形电芯10的温度不均匀。因此，具体地，参考图6和7，本实施例中的第二隔板172的一端朝向第一流通空间151延伸形成第四隔板174，沿箱体100的宽度方向，第四隔板174将第一流通空间151分为冷却空间50和循环空间60，冷却空间50位于第一安装面191的底部，循环空间60位于第二安装面192的底部。第一流通口161连通冷却空间50和第二流通空间152。此时，由于循环空间60设置有第一流通口161，因此冷却介质在循环空间60中的流速大于冷却介质在冷却空间50中的流速，由此循环空间60中的冷却介质对第三流通空间153中的冷却介质的散热效果，相对于冷却空间50中的冷却介质对第四流通空间154中的冷却介质的散热效果较好。由此达到平衡电芯模组各处的冷却效率的目的。In some embodiments, since the volume of the fourth circulation space 154 is generally smaller than that of the third circulation space 153 , the flow rate of the cooling medium in the fourth circulation space 154 is still greater than the flow rate of the cooling medium in the third circulation space 153 , resulting in The temperature of the square cells 10 is not uniform. Therefore, specifically, referring to FIGS. 6 and 7 , one end of the second partition plate 172 in this embodiment extends toward the first circulation space 151 to form a fourth partition plate 174 , and along the width direction of the box body 100 , the fourth partition plate 174 The first circulation space 151 is divided into a cooling space 50 and a circulation space 60 . The cooling space 50 is located at the bottom of the first mounting surface 191 , and the circulation space 60 is located at the bottom of the second mounting surface 192 . The first flow port 161 communicates with the cooling space 50 and the second flow space 152 . At this time, since the circulation space 60 is provided with the first flow port 161 , the flow rate of the cooling medium in the circulation space 60 is greater than the flow rate of the cooling medium in the cooling space 50 , so that the cooling medium in the circulation space 60 has a negative effect on the third circulation space. The heat dissipation effect of the cooling medium in the cooling space 153 is better than that of the cooling medium in the cooling space 50 for the cooling medium in the fourth circulation space 154 . In this way, the purpose of balancing the cooling efficiency of each cell module is achieved.
可以理解的是，本申请实施例中的电芯模组可以包括冷却介质排出机构70和冷却介质流入机构80。具体地，参考图9，冷却介质排出机构70连接于第二通孔310，冷却介质流入机构80连接于冷却介质入口120。It can be understood that, the battery cell module in the embodiment of the present application may include a cooling medium discharge mechanism 70 and a cooling medium inflow mechanism 80 . Specifically, referring to FIG. 9 , the cooling medium discharge mechanism 70 is connected to the second through hole 310 , and the cooling medium inflow mechanism 80 is connected to the cooling medium inlet 120 .
根据本申请第二方面实施例的电动汽车，电动汽车包括上述第一方面实施例中的电芯模组。由于电动汽车的电芯模组中的侧冷却腔室230双向连通于主冷却腔室180，因此冷却介质能够经由主冷却腔室180进入侧冷却腔室230，再由侧冷却腔室230回到主冷却腔室180， 最后经由冷却介质出口110离开箱体100。由于方形电芯10容纳于第一容纳空间20，且底部贴合于第一安装面191，两侧抵持于侧箱200，因此当冷却介质在主冷却腔室180和侧冷却腔室230中流动时，方形电芯10的底面和两侧面上的部分热量能够被传导至冷却介质中，并被冷却介质带出箱体100，从而达到方形电芯10在不与冷却介质接触的同时，达到对方形电芯10散热的目的，避免方形电芯10绝缘失效。According to the electric vehicle of the embodiment of the second aspect of the present application, the electric vehicle includes the battery cell module of the embodiment of the first aspect. Since the side cooling chamber 230 in the cell module of the electric vehicle is bidirectionally connected to the main cooling chamber 180 , the cooling medium can enter the side cooling chamber 230 through the main cooling chamber 180 , and then return from the side cooling chamber 230 to the side cooling chamber 230 . The main cooling chamber 180 finally leaves the box 100 through the cooling medium outlet 110 . Since the square cell 10 is accommodated in the first accommodating space 20 , the bottom is attached to the first mounting surface 191 , and the two sides are against the side case 200 , when the cooling medium is in the main cooling chamber 180 and the side cooling chamber 230 , When flowing, part of the heat on the bottom surface and both sides of the square cell 10 can be conducted into the cooling medium and carried out of the box 100 by the cooling medium, so that the square cell 10 does not come into contact with the cooling medium while achieving For the purpose of dissipating heat to the square battery 10 , the insulation failure of the square battery 10 is avoided.
在本说明书的描述中，参考术语“一些实施例”的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。In the description of this specification, description with reference to the term "some embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims (10)

  1. 电芯模组，其特征在于，包括：The battery core module is characterized in that, it includes:
    多个方形电芯；Multiple square cells;
    箱体，所述箱体限定有主冷却腔室，所述箱体还设置有连通所述主冷却腔室的冷却介质入口和冷却介质出口，所述箱体在一个表面设置有至少一个第一安装面，多个所述方形电芯排列设置于所述第一安装面，多个所述方形电芯的底面与所述第一安装面接触连接，在所述第一安装面沿多个所述方形电芯的排列方向的两侧，还设置有第二安装面；a case body, the case body defines a main cooling chamber, the case body is further provided with a cooling medium inlet and a cooling medium outlet communicating with the main cooling chamber, the case body is provided with at least one first A mounting surface, a plurality of the square cells are arranged on the first mounting surface, the bottom surfaces of the plurality of the square cells are in contact with the first mounting surface, and the first mounting surface is along a plurality of Second installation surfaces are also provided on both sides of the arrangement direction of the square cells;
    侧箱，设置于所述第二安装面，每个所述侧箱朝向所述第一安装面的一侧的表面与所述方形电芯的侧面接触连接，每个所述侧箱限定有侧冷却腔室，所述侧冷却腔室与所述主冷却腔室双向连通。Side boxes are arranged on the second installation surface, the surface of each side box facing the side of the first installation surface is in contact with the side surface of the square cell, and each side box defines a side A cooling chamber, the side cooling chamber is in bidirectional communication with the main cooling chamber.
  2. 根据权利要求1所述的电芯模组，其特征在于，所述电芯模组包括第一隔板，设置有冷却介质入口，沿所述箱体的厚度方向，所述第一隔板将所述主冷却腔室分隔为第一流通空间和第二流通空间，所述第一流通空间位于所述第一安装面的底部，所述冷却介质入口连通所述第一流通空间和外界环境，所述第一隔板和所述箱体的内壁共同限定形成第一流通口，所述第一流通口位于所述箱体的一端，所述冷却介质入口位于所述箱体的另一端，且所述第一流通口连通所述第一流通空间和所述第二流通空间。The battery core module according to claim 1, wherein the battery core module comprises a first partition plate provided with a cooling medium inlet, and along the thickness direction of the box body, the first partition plate will The main cooling chamber is divided into a first circulation space and a second circulation space, the first circulation space is located at the bottom of the first installation surface, and the cooling medium inlet communicates with the first circulation space and the external environment, The first partition plate and the inner wall of the box body jointly define a first flow port, the first flow port is located at one end of the box body, the cooling medium inlet is located at the other end of the box body, and The first circulation port communicates with the first circulation space and the second circulation space.
  3. 根据权利要求1所述的电芯模组，其特征在于，所述电芯模组还包括导流排，所述导流排设置于所述主冷却腔室和侧冷却腔室中，将所述主冷却腔室等间距地分隔为多个主冷却通道，且将所述侧冷却腔室等间距地分隔为多个侧冷却通道。The battery core module according to claim 1, wherein the battery core module further comprises a diversion row, and the diversion row is arranged in the main cooling chamber and the side cooling chamber, and connects all the The main cooling chamber is equally spaced into a plurality of main cooling channels, and the side cooling chamber is equally spaced into a plurality of side cooling channels.
  4. 根据权利要求1所述的电芯模组，其特征在于，所述箱体包括限位凸起和底板，所述限位凸起凸起于所述底板，沿所述箱体的宽度方向，所述限位凸起的长度等于所述方形电芯的长度，所述第一安装面设置于所述限位凸起的表面，所述侧箱抵持于所述限位凸起。The battery cell module according to claim 1, wherein the box body comprises a limit protrusion and a bottom plate, and the limit protrusion protrudes from the bottom plate, along the width direction of the box body, The length of the limiting protrusion is equal to the length of the square cell, the first mounting surface is disposed on the surface of the limiting protrusion, and the side case is pressed against the limiting protrusion.
  5. 根据权利要求1所述的电芯模组，其特征在于，所述电芯模组还包括围框，所述围框的内壁连接于所述箱体的侧面，以与箱体共同限定形成第二容纳空间，所述侧箱容纳于所述第二容纳空间，且所述围框设置有第三容纳空间、第一通孔和第二通孔，所述第一通孔连通所述第三容纳空间和外界环境，所述第二通孔和所述冷却介质出口至少部分重合。The battery core module according to claim 1, wherein the battery core module further comprises an enclosing frame, and the inner wall of the enclosing frame is connected to the side surface of the box body to define the first Two accommodating spaces, the side box is accommodated in the second accommodating space, and the surrounding frame is provided with a third accommodating space, a first through hole and a second through hole, and the first through hole communicates with the third accommodating space In the accommodating space and the external environment, the second through hole and the cooling medium outlet at least partially overlap.
  6. 根据权利要求2所述的电芯模组，其特征在于，所述电芯模组还包括多个第二隔板，多个第二隔板沿所述箱体的宽度方向，将所述第二流通空间分隔为第三流通空间和第四流通 空间，所述第四流通空间连通所述侧冷却腔室，且位于所述第二安装面底部，所述第二隔板和所述箱体的内壁形成第二流通口，所述第二流通口位于所述箱体的一端，所述第一流通口位于所述箱体的另一端。The battery core module according to claim 2, wherein the battery core module further comprises a plurality of second partitions, and the plurality of second partitions extend the first partition along the width direction of the box body. The second circulation space is divided into a third circulation space and a fourth circulation space. The fourth circulation space communicates with the side cooling chamber and is located at the bottom of the second installation surface. The second partition plate and the box body The inner wall of the casing forms a second circulation port, the second circulation port is located at one end of the box body, and the first circulation port is located at the other end of the box body.
  7. 根据权利要求6所述的电芯模组，其特征在于，所述电芯模组包括至少三个侧箱，相邻的两个侧冷却腔室共同连通于同一第四流通空间。The cell module according to claim 6, wherein the cell module comprises at least three side boxes, and two adjacent side cooling chambers are commonly communicated with the same fourth circulation space.
  8. 根据权利要求6所述的电芯模组，其特征在于，所述电芯模组还包括第三隔板，所述第三隔板沿所述箱体的长度方向，将所述第四流通空间分隔为第五流通空间和第六流通空间，所述第六流通空间位于所述冷却介质出口所在的一侧，所述侧箱设置有第一转移口和第二转移口，所述第一转移口连通所述第五流通空间和所述侧冷却腔室，所述第二转移口连通所述第六流通空间和侧冷却腔室，所述冷却介质出口连通所述第六流通空间。The battery core module according to claim 6, wherein the battery core module further comprises a third partition plate, and the third partition plate connects the fourth circulation plate along the length direction of the box body. The space is divided into a fifth circulation space and a sixth circulation space, the sixth circulation space is located on the side where the cooling medium outlet is located, the side box is provided with a first transfer port and a second transfer port, the first The transfer port communicates with the fifth circulation space and the side cooling chamber, the second transfer port communicates with the sixth circulation space and the side cooling chamber, and the cooling medium outlet communicates with the sixth circulation space.
  9. 根据权利要求6所述的电芯模组，其特征在于，所述第二隔板的一端朝向第一流通空间延伸形成第四隔板，沿所述箱体的宽度方向，所述第四隔板将所述第一流通空间分为冷却空间和循环空间，所述冷却空间位于所述第一安装面的底部，所述循环空间位于所述第二安装面的底部，所述第一流通口连通所述冷却空间和所述第二流通空间。The battery module according to claim 6, wherein one end of the second partition extends toward the first circulation space to form a fourth partition, and along the width direction of the box, the fourth partition The plate divides the first circulation space into a cooling space and a circulation space, the cooling space is located at the bottom of the first installation surface, the circulation space is located at the bottom of the second installation surface, and the first circulation port The cooling space and the second circulation space are communicated.
  10. 电动汽车，其特征在于，包括：An electric vehicle, characterized in that it includes:
    如上述权利要求1至9中任一项的所述电芯模组。The battery cell module according to any one of the above claims 1 to 9.
PCT/CN2021/143885 2021-04-16 2021-12-31 Battery cell module and electric automobile WO2022217980A1 (en)

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